Granted Patent
Utility
US 5,329,705 · App. 08/017,818
Footgear with pressure relief zones
Inventors:
Tracy E. Grim, Kevin R. O'Donnell, Eric Montag
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Feb 16, 1993
Inventors
Tracy E. Grim
Kevin R. O'Donnell
Eric Montag
Assignee (at issue)
Royce Medical Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.